Ground floor House Extension in Hemel Hempstead

Get Single Storey House Extension Prices in Hemel Hempstead

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Ground floor House Extension in Hemel Hempstead

Are you searching for Single storey house extension in Hemel Hempstead? Our network of builders can aid with your task. Every one of our Builder in Hemel Hempstead are inspected so you can see local reviews, when the business was started, ratings, approval as well as cost,  permitting you to make the appropriate choice on who to hire. Let us take the problem out of locating up to 4 experts for your Single storey house extension job.

Single storey extensions are a great way to add space and value to your house. A single storey extension is often very cost effective and they're suitable for many homes. Smaller single storey home extensions can be built without the need to apply for planning permission as they are protected by permitted development rights. Substantial single storey extensions will still need planning permission. Single storey home extensions can also generally be positioned to either the side or rear of your property. Single storey home extensions are often used to expand kitchen areas or to add a downstairs study or utility room.

 

Also, they are often used to create a larger open plan area in the downstairs of the property that could be used as a kitchen diner or living area. Adding roof lights and bifold doors to your home extension will generate a large airy space that creates a seamless transition in to the garden. While single storey home extensions may appear simpler than other sorts of extension, careful planning continues to be essential to make sure that the new space is functional and attractive. Professional architects and contractors can give you advice on the best design for your home extension, taking into account the specifications of the new space as well as the best way to complement the pre-existing building. Your single storey home extension could be made to match your pre-existing property and employ similar materials for its construction or be designed to contrast, providing a striking effect by using differing materials.

 

Factors that impact Single Storey Extension Prices

There are a few aspects to bear in mind when you are setting your budget plan. The main factors that affect the cost of a single storey extension are the dimension as well as the surface. But there are various other variables that it is worth remembering while you are making your plans.

High-priced Groundworks Needed

If it is difficult to dig the foundations as well as lay the ground for your extension, then this can enhance the cost of your extensions. This could be the case if the ground is difficult to collaborate with. Particles in the ground can likewise elevate the prices.

  • Caliber of Fixtures as well as Fitting
    After the dimension of the extension, the next biggest factor is the grade of the surface. Choosing high-end options can result in the final rate being more than double what it would certainly be when choosing the basic alternatives.
  • Dimension of Extension
    When you are getting an extension on your home, the single biggest element that will influence the cost of your extension is the size of it. The larger the extension is, the a lot more you will wind up paying. If the area inside the extension is straightforward, with no inner walls, after that this will lower the price per m2 slightly. Nonetheless, despite this in mind. The bigger the area of your extension, the more you pay.
  • Kind of Extension
    The kind of extension you pick will go a long way in the direction of dictating exactly how big your extension will be. Side return extensions develop the tiniest additional space so are usually the most inexpensive alternative, while a wraparound cooking area extension will certainly produce one of the most room as well as have the most pricy fittings and also fixtures.
  • Building Regulations
    Most of the times, constructing regulations do not include a lot of price to a building task. Nevertheless, if you are building an extension onto an older house, there may be some unanticipated prices. This is specifically real if the residence has actually not lately been upgraded. Building laws will put on your whole home, not just the extension. This can bring about the requirement for electrics to be considered or door changed.

 

Kitchen Extensions:

Kitchen extensions greatly fall into the realms of single floor extensions, although all sort of house extensions could be used to integrate added space for a kitchen.

As an approximate guide, a single floor extension will cost from ₤ 1,000 - ₤ 2,000/ m2, with a basic develop at the lower end of the range as well as an excellent construct quality at the greater end at a range, with prices of ₤ 2,500/ m2 plus.

 

How to find a builder for your extension:

We will give up to four Single storey house extension pros locally, who will certainly offer quotes for the work you desire done. You'll get a home visit from specialists in Hemel Hempstead who'll aid you to select the appropriate Single storey house extension for your house before carrying out the setup. Enter your postcode to begin looking now.

Average Single storey house extension cost in Hemel Hempstead

The typical cost of Single storey house extension is £29000. Costs alter based on the materials and the firm selected. The upper price range can be as high as £34800. The material costs are in general around £12000

Average price per Single storey house extension job in 2026

Avg. price low

Avg. price low
£24,400

Avg. price

Avg. price
£34,667

Avg. price high

Avg. price high
£44,934

£45500

£34125

£22750

£11375

£0

Prices based on actual Single storey house extension costs for Hemel Hempstead, as reported by local LeadsDoWork members.

Single storey house extension installation cost in Hemel Hempstead 2026

Labour cost £14,000
Material cost £12,000
Waste removal £3,000
Time frame: 8-12 weeks

Single storey house extension searches in June 2026

Single storey house extension Projects in Hemel Hempstead in May 2026

3,199

Requests for quotations in Hemel Hempstead in May 2026

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Requests for Single storey house extension quotations in Hemel Hempstead in May 2026. 0% change from April 2026.

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Requests for Single storey house extension quotations in Hertfordshire in May 2026. 0% change from April 2026.

Source: Numbers calculated based on the search volumes in major search engines

Single storey house extension searches in cities and towns near Hemel Hempstead May 2026

Hemel Hempstead

Hemel Hempstead is a significant town in the East of England, with a populace of 81,143 and positioned within the county of Hertfordshire. Hemel Hempstead was formed immediately after the Second World War and it is part of the Dacorum and Hemel Hempstead region. Hempstead is considered the most filled urban location in Hertfordshire, narrowly edging its nearest rival Watford. To add worth to your home, make sure to only use reliable industry experts and get the top costs from Hemel Hempstead businesses.

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Single storey house extension pros in Hemel Hempstead

Jassi Builders Ltd

2 review(s)
Based: in Hayes, UB4 9YD

Hi Jassi Builders LTD here, I am a specialist in planning, designing and building control services. I make sure that I have completed all my work on perfect time and leave customers in complete satisfaction. We do all types of loft conversions, exten...

Latest review

Angela A., HP1
3

House Extensions | Single Storey in Hemel Hempstead

Assured me he Would give me a good price which made me feel less confident with this builder he was supposed to phone on...

Similar Customer Enquiries for Single storey house extension in Hemel Hempstead

18 Feb

House Extensions | Single Storey

Hemel Hempstead - HP2

Enquiry from: Julian F

Start Date: 1 to 3 months

customer in the hemel hempstead area made an enquiry a couple of projects including single storey house extension.call anytime and arrange an appointment to discuss. below is some details about this p...

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03 Jul

House Extensions | Single Storey

Hemel Hempstead - HP3

Enquiry from: Jeremy P

Start Date: Immediate

customer in the hemel hempstead area made an enquiry a couple of projects including single storey house extension.call anytime and arrange an appointment to discuss. below is some details about this p...

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28 Mar

House Extensions | Single Storey

Hemel Hempstead - HP2

Enquiry from: Jeremy L

Start Date: Less than one month

single storey extension to create open plan living time scale: less than one month please call to appoint

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13 Mar

House Extensions | Single Storey

Hemel Hempstead - HP2

Enquiry from: Jeremy L

Start Date: Less than one month

single storey extension to create open plan living time scale: less than one month please call to appoint

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22 Jan

House Extensions | Single Storey

Hemel Hempstead - HP2

Enquiry from: Iuliana S

Start Date: 1 to 3 months

customer is currently in the process of looking for quotes to add a single storey extension to their property. are you the property owner: owner of the property property type: terrace looking for: sin...

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22 Nov

House Extensions | Single Storey

Hemel Hempstead - HP1

Enquiry from: Robert W

Start Date: Immediate

customer is currently in the process of looking for quotes to add a single storey extension to their property. are you the property owner: owner of the property property type: semi detached looking fo...

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20 Jun

House Extensions | Single Storey

Hemel Hempstead - HP1

Enquiry from: Angela A

Start Date: Less than one month

customer is currently in the process of looking for quotes to add a single storey extension to their property. are you the property owner: owner of the property property type: terrace looking for: sin...

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18 Feb

House Extensions | Single Storey

Hemel Hempstead - HP2

Enquiry from: Kevin L

Start Date: Immediate

Customer is currently in the process of looking for quotes to add a Single storey extension to their property. Are you the property owner: Owner of the property Property Type: Detached Looking For: Si...

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07 Dec

House Extensions | Single Storey

Hemel Hempstead - HP3

Enquiry from: Stuart R

Start Date: Immediate

Customer is currently in the process of looking for quotes to add a Single storey extension to their property. Are you the property owner: Owner of the property Property Type: Detached Looking For: Si...

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12 May

House Extensions | Single Storey

Hemel Hempstead - HP2

Enquiry from: Mrs G

Start Date: 1 to 3 months

Customer is currently in the process of looking for quotes to add a Single storey extension to their property. Are you the property owner: Owner of the property Property Type: Terrace Looking For: Sin...

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08 Feb

House Extensions | Single Storey

Hemel Hempstead - HP2

Enquiry from: Tom S

Start Date: Less than one month

Are you the property owner: Owner of the property Property Type: Detached Looking For: Single storey extension Do you have planning permission: No Would you require assistance to gain this: Yes Do yo...

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FAQs

how much does a single storey house extension cost?

If you’re planning to build a single story house extension, this is one of the first questions that usually comes to mind to help you set a budget and start to make plans. But as simple as it seems, a single accurate answer can not be provided due to the fact that there are several variables that can play a key role in influencing the price of a single story house extension. These variables includes the size, location, design or specification as well as the build route. In this guide, we’ll provide you with a rough estimate that you can work with to put you on the right path.

The main determinant of the cost of a single storey extension is the size of the build, while the next most relevant factor is the quality of the finish you opt for. For a small extension, you can expect to spend a sum within the range of £14,000 to £17,000. Meanwhile for a larger single storey extension, if you opt for a large wrap around the extension with a great amount of glass to be incorporated in both the walls and roof, you can expect to pay a sum within the range of £80,000 to £120,000.

Overall, the average cost of a single story house extension is usually within the range of £34,000 to £37,000. For this price, you should get a standard sized rear or side extension which also includes the cost of a kitchen - it’s the most commonly use for a single story extension especially in the UK.

There are some additional costs you may also need to factor in to your extension budget. These includes surveys, architect fees, planning application fee (if needed), insurance and Party Wall Agreement (if needed).

How to find a builder for a house extension?

Builders are everywhere, but finding one for your project can be tricky and stressful, with both cost and reliability coming into question. This is even more worrisome when you’re fully aware that your house extension can only be as good as the builder. If you’re also facing the same challenge, then you’ve come to the right place. In this article, we’ll share with you some tips on how to choose a professional and reliable builder who’ll ensure you get immense value for every penny spent. Let’s take a look!

✓ Ask for recommendations. To find a tradesperson, not just a builder, personal recommendations is the best way to go. Building a house extension is a major undertaking which comes with a lot of costs, so if you’re going to do it the least you can do is ensure you do it right. Carry out your research, ask friends and family, neighbours and loved ones if the know of any reliable builder in the local area. If they’ve have one they’ve used, you can request for the cost, quality of the job done, the duration of the project and any other detail you feel you should know.

✓ Search Online. Use our search feature to look at the builders available or submit and enquiry and we will find you one. Our site holds details of numerous builders and building companies which you can go through their ratings to select the best.

✓ Select a reliable builder from trading association. Most reliable builders are usually a member of a recognized trading association or the other. Though this is not obligatory for builders, but it can be used as a dependable medium to find a good builder. We list what trade association the builders are a member of.

how much does a kitchen diner extension cost?

If you’re planning to construct a kitchen diner extension, to help you set a budget and start planning you must first have a cost estimate that’ll complete the entire project. If not, there’s a probability that you may have to spend more than would have been necessary or probably break the bank to have the project done. In truth, there’s no single and short answer to this question as the cost of a kitchen diner is largely dependent of several variables. In this article, we’re going to give a good insight into kitchen diner extension cost so as to help you make informed decisions moving forward. Let’s take a look!

On the average, a kitchen diner extension will cost within the range of £25,000 to about £45,000, however if you happen to reside in London, you can expect the cost to be a lot more than that - closer to £60,000. And due to the fact that there happens to be a plethora of options out there, any decision to make be it on the size, tradesman, flooring, finishes or type of the kitchen diner extension, will have a considerable impact on the overall cost of the project. For instance, a basic kitchen diner extension cost can be within the range of £12,000 to about £15,000., while a high end kitchen diner extension can reach a whooping price between £80,000 to about £100,000.

The total cost of your kitchen diner project will rely heavily of the size as well as the quality of the finishes. For example, a kitchen diner extension that’s small and basic is likely to cost about £1,300 to £1,500 per square metre. However, if you’re going for higher quality finishes, you can expect to pay within the range of £1,900 to about £3,000 per square metre.

How long does a small extension take?

If you’re planning to build a small extension on your property, you’ll most likely want to know the length of time it’ll take to complete the home extension. Just like many other home improvement projects, it’s impossible to provide a specific number of day in which your project will be completed as the duration is based on a number of influencing factors. This includes the size of the development work as well as whether or not you plan to live in the house when the work is being done. In this article, we’re going to give you a breakdown of the processes that’s involved in building a small single storey extension alongside the duration for each so you can have an idea of how long your small extension project will take. Let’s take a look!

✓ A small single storey extension will normally take about 3 months to be completed.

✓ Site preparation is the first step in the process and it’ll take up to 2 weeks the dig out the footings and prepare foundations. Followed by a further 2 weeks to fit the damp course as well as any drains required around the extension.

✓ The 5th week is spent on working on the external walls and putting in place blockwork to deliver cavity wall insulation.

✓ The next 2 weeks will be spent on installing the roof structure as well as internal walls.

✓ Once done. The builders will make the structure weather proof and electricians or gas fitters will be on site to add power to the extension. This will be followed by internal walls’ plastering as well as breaking into your main house.

✓ After this, when the plaster is dry and decoration completed, units or furniture will then be installed.

Single storey house extension

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Hemel Hempstead Single storey house extension installers are rated 4.3 out of 5 based on 5 reviews of 46 pros.
The LeadsDoWork rating and review is an overall rating based on verified reviews and feedback from the customers with Single storey house extension projects that have been connected with Single storey house extension pros to help them. All Single storey house extension contractors All Hemel Hempstead Single storey house extension contractors

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